Fuel cell technology is the new emerging technology. The development of this technology has started only few decades back and it is still under development for its commercial and economical use. In this article, I am going to explain the working principle of fuel cell. Working Principle of Fuel Cell A fuel cell is an […]
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A resonance circuit consists of a capacitor and an inductor. It also has some resistance. Either this resistance may be the effective resistance of the coil itself or connected externally to create some desired effect. A resonance RLC series circuit is shown in Figure. Here, a capacitor C and an inductor L are connected
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Wheatstone Bridge Working Principle Wheatstone devised a bridge-arrangement of resistances by which the resistance of a given conductor can be determined. This arrangement is called the ‘Wheatstone bridge‘. In the arrangement, four resistances are so connected as to form a parallelogram. In one diagonal of this parallelogram is connected a galvanometer and in
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Dia Para Ferro Magnetic Materials Diamagnetic Materials These materials are feebly repelled by a magnet. When placed in a magnetizing field, they are feebly magnetized in a direction opposite to that of the field. Thus, the susceptibility of diamagnetic material is small and negative. Further, the flux density in a diamagnetic material placed
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The logic gates are the building blocks of digital circuits. A logic gate has one output, but one or more inputs. The output signal appears only for certain combinations of input signals. There are three basic logic gates: Each logic gate is indicated by a logical symbol and its function is described either by a
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A nickel-cadmium cell has two plates. The active material of the positive plate (anode) is Ni(OH)4 and the negative plate (cathode) is of cadmium (Cd) when fully charged. The electrolyte is a solution of potassium hydroxide (KOH) with a small addition of lithium hydrate which increases the capacity and life of the battery. The specific
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Hi friends, In this article, I am going to discuss the nickel iron battery construction, working principle, and compare its features with a lead-acid battery. So keep reading. The Nickel-Iron alkaline cell was developed by an American scientist Thomson A. Edison in 1909. Therefore it is also known as Edison-cell. Nickel Iron Battery Construction The nickel-iron battery
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Methods of Electrical Wiring Testing All new completed electrical installation should be tested before connection to the supply, to ensure that the installation is technically sound and free from any possible short circuits, etc. the main reasons, to test a new electrical installation or house wiring before it is switched on to the mains are
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Hi friends, In this article, I am discussing the stepper motor working principle, its basics and applications. You will find it informative and interesting. So keep reading. As the name implies, a stepper motor, within its operation range, and capability, starts, stops, reverses and moves through a predetermined stepping angle under commands from an electronic logic
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Hi friends, In this article, I am discussing the radar working principle, block diagram and applications. So keep reading. A radar which stands for “radio detection and ranging” is a method of detecting the presence and position of objects by reflected radio waves. The detected object is called target and the distance to the target is determined
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